import rfc5280 from 'asn1.js-rfc5280';
export declare const PENDING_FETCH_REQUESTS: Map<string, Promise<rfc5280.CertificateListDecoded>>;
export declare function resetCrlCacheCleaner(): void;
export declare function getCrl(url: string, options: {
    inMemoryCache: boolean;
    onDiskCache: boolean;
}): Promise<rfc5280.CertificateListDecoded>;